"These troubling figures show we’re now only a hair's breadth above the minimum standard.

"While screening is not a one-stop shop, as symptoms can occur at any time, mammograms remain the most effective tool at our disposal for detecting breast cancer at the earliest possible stage."

Almost a third of the 260 CCGs in England failed to meet the minimum target, while only one managed to pass the 80% benchmark.

Uptake in Croydon bucked the national trend last year, rising from 65.3% in 2016-17.

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The breast screening programme uses an X-ray test called a mammogram to detect tumours before they are large enough to feel.

Detecting cancer early on gives a better chance of survival.

Dr Anne Mackie, director of screening at Public Health England, said it was "concerning" that uptake has fallen, particularly among younger women invited for their first test.

She continued: “We are working hard with NHS and local community healthcare colleagues to understand why this might be and to make appointments as easy as possible to attend for all women who want to get screened.”